*{
    margin: 0;
    padding: 0;
}
.wrapper{
    width: 100%;
    height: 100%;
    background-image: url(../img/bg.jpg) ;
    background-size: 100% 100%;
    position: fixed;
    top: 0;
    left: 0;
}
.btn{
    width:170px;
    height: 140px;
    left: 50px;
    position: absolute;
    background-image: url(../img/startGame.png);
    background-size: 100% 100%;
    cursor: pointer;
}

.gameBox{
    display:none;
    width:500px;
    height:490px;
    margin: 20px auto;
    border:1px solid #B25F27;
    box-shadow:5px 5px 5px rgb(0,0,0,0.5);
    transform: perspective(800px) rotateX(45deg);
}
.flaxBox{
    display: none;
    width: 200px;
    height: 50px;
    position: absolute;
    top: 25px;
    left: 50%;
    margin-left: -100px;
    font-size: 24px;
    color:rgb(0, 0, 0);
    font-weight:bold;

}
.alertBox{
    display: none;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background-color:rgb(0,0,0,0.2) ;
}
.alertImg{
    /* display: none; */
    width: 600px;
    height: 400px;
    position:absolute;
    /* background-image: url(../img/success.png); */
    background-size: 100% 100%;
    top: 0;
    left: 0;
    right: 0;
    bottom:0;
    margin:auto;
    border-radius: 20px;
}
.close{
    /* display: none; */
    width:40px;
    height: 40px;
    position:absolute;
    background-image: url(../img/closeBtn.png);
    background-size: 100% 100%;
    cursor: pointer;
    top: 0;
    right: 0;
}
.block{
    width:49px;
    height:49px;
    border-right:1px solid #B25F27;
    border-bottom: #B25F27;
    box-shadow: 0 0 4px #333 inset;
    background-image: url(../img/cao.jpg);
    /* display: inline-block; */
    float: left;
}
.show{
    background-image: url(../img/dilei.jpg);
    background-size: 100% 100%;
}
.num {
    background:rgb(184, 158, 104);
    font-size: 18px;
    font-weight: bold;
    line-height: 49px;
   text-align: center;
    color: blueviolet;
}
.qizi{
    background-image: url(../img/hongqi.jpg);
    background-color: bisque;
    background-size: 100% 100%;
}